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Finding the Fourth Proportional to 350,963.53, 526,547.36 and 126,319.93

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Solution

The fourth proportional to 350,963.53, 526,547.36 and 126,319.93 is: 189,516.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,963.53 : 526,547.36 = 126,319.93 : x
  2. Step 2: Convert to fraction form
    350,963.53/526,547.36 = 126,319.93/x
  3. Step 3: Cross multiply
    350,963.53x = 526,547.36 × 126,319.93
  4. Step 4: Simplify right side
    350,963.53x = 66,513,425,656.88
  5. Step 5: Solve for x
    x = 66,513,425,656.88/350,963.53
  6. Step 6: Final answer
    x = 189,516.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.